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<TITLE>JavaScript Source Code 3000:  Forms:  Option Search</TITLE>
<META HTTP-EQUIV="JavaScript Source Code 3000" CONTENT = "no-cache">
<META NAME="description" CONTENT="Allows you to jump to any value in a drop down list.  In our example, search for a value between 'a1' and 'a15'.  Saves time when it comes to navigating within long pull down menus.">
<META NAME="date" CONTENT="2000-10-24">
<META NAME="channel" CONTENT="Web Developer">
<META NAME="author" CONTENT="Darko Egersdorfer">
<META NAME="section" CONTENT="Forms">
<SCRIPT LANGUAGE="JavaScript">
<!-- Original:  Darko Egersdorfer (darkoe@za.bynx.com) -->




<!-- Begin
function promptSearch (thisform, thisfield) {
var elnum = parseInt(-1);
var k = parseInt(-1);
for (var j = 0; j < document.forms[thisform].elements.length; j++) {
if (document.forms[thisform].elements[j].name == thisfield) {
elnum = j;
break;
   }
}
var myvar = "";
var srch = "";
var menuLength = "";
menuLength = eval("document." + thisform + "." + thisfield + ".length");
srch = prompt("Search this menu for...", "");
if (srch ) {
srch = srch.toUpperCase();
for (var i = 0; i < menuLength; i++) {
myvar = eval("document." + thisform + "." + thisfield + ".options[" + i + "].text.toUpperCase()");
if (myvar.indexOf(srch) >= 0) {
document.forms[thisform].elements[elnum].options[i].selected = true;
break;
      }
   }
}
return false;
}
//  End -->
</script>
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<A HREF="../index.htm" /" TARGET="_top"><FONT COLOR="#0000FF"><b>Home</b></font></A>
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<A HREF="index.htm" /forms/" ><font color="#FF0000"><b>Forms</b></font></A>
<img src="../img/arrow.gif" /img/arrow.gif" height=13 width=7 border=0 alt="}">
<FONT COLOR="#006666"><b>Option Search</b></font></font>
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<!-- Description --><!--content_start-->
Allows you to jump to any value in a drop down list.  In our example, search for a value between 'a1' and 'a15'.  Saves time when it comes to navigating within long pull down menus.
<hr>
</td></tr>
</table>
<!-- Demonstration -->
<center>
<form name=myform action="">
<select name=menu1 size=1 onFocus="promptSearch(this.form.name, this.name)">
<option>a1
<option>a2
<option>a3
<option>a4
<option>a5
<option>a6
<option>a7
<option>a8
<option>a9
<option>a10
<option>a11
<option>a12
<option>a13
<option>a14
<option>a15
</select>
</form>
</center>
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<P>
<a name="source">
<table BORDER=0 WIDTH=486 CELLPADDING=3 CELLSPACING=0>
<tr><td BGCOLOR=yellow><font FACE="helvetica,arial,geneva"><b>JavaScript Source Code 3000:  Forms:  Option Search</b>
<p>Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Apple-s).  The script is yours!!!
<br><br></font></td></tr>
<tr><td BGCOLOR=yellow ALIGN=CENTER>
<form NAME="copy">

<DIV align="center">
<input type=button value="Highlight All" onClick="javascript:this.form.txt.focus();this.form.txt.select();">&nbsp;&nbsp;&nbsp;&nbsp;
<INPUT TYPE="text" NAME="total" VALUE="Script Size:  1.90 KB" size=24>
</DIV>

<textarea NAME="txt" ROWS=20 COLS=75 WRAP=VIRTUAL>

&lt;!-- TWO STEPS TO INSTALL OPTION SEARCH:

  1.  Copy the coding into the HEAD of your HTML document
  2.  Add the last code into the BODY of your HTML document  --&gt;

&lt;!-- STEP ONE: Paste this code into the HEAD of your HTML document  --&gt;

&lt;HEAD&gt;

&lt;SCRIPT LANGUAGE="JavaScript"&gt;
&lt;!-- Original:  Darko Egersdorfer (darkoe@za.bynx.com) --&gt;

&lt;! &gt;
&lt;! &gt;

&lt;!-- Begin
function promptSearch (thisform, thisfield) {
var elnum = parseInt(-1);
var k = parseInt(-1);
for (var j = 0; j &lt; document.forms[thisform].elements.length; j++) {
if (document.forms[thisform].elements[j].name == thisfield) {
elnum = j;
break;
   }
}
var myvar = "";
var srch = "";
var menuLength = "";
menuLength = eval("document." + thisform + "." + thisfield + ".length");
srch = prompt("Search this menu for...", "");
if (srch ) {
srch = srch.toUpperCase();
for (var i = 0; i &lt; menuLength; i++) {
myvar = eval("document." + thisform + "." + thisfield + ".options[" + i + "].text.toUpperCase()");
if (myvar.indexOf(srch) &gt;= 0) {
document.forms[thisform].elements[elnum].options[i].selected = true;
break;
      }
   }
}
return false;
}
//  End --&gt;
&lt;/script&gt;
&lt;/HEAD&gt;

&lt;!-- STEP TWO: Copy this code into the BODY of your HTML document  --&gt;

&lt;BODY&gt;

&lt;center&gt;
&lt;form name=myform action=""&gt;
&lt;select name=menu1 size=1 onFocus="promptSearch(this.form.name, this.name)"&gt;
&lt;option&gt;a1
&lt;option&gt;a2
&lt;option&gt;a3
&lt;option&gt;a4
&lt;option&gt;a5
&lt;option&gt;a6
&lt;option&gt;a7
&lt;option&gt;a8
&lt;option&gt;a9
&lt;option&gt;a10
&lt;option&gt;a11
&lt;option&gt;a12
&lt;option&gt;a13
&lt;option&gt;a14
&lt;option&gt;a15
&lt;/select&gt;
&lt;/form&gt;
&lt;/center&gt;
 

&lt;!-- Script Size:  1.90 KB --&gt;</textarea><br><font FACE="helvetica,arial,geneva"></font></td></tr>

</table>
</form>
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